Dr. R Vijitha
Google Scholar
E-mail: vijitha.r@kdu.ac.lk / viji07ra@ymail.com
Qualifications
- PhD in Physics, Faculty of Science, University of Cape Town, South Africa, July 2017.
- MSc in Medical Physics, University of Peradeniya, Sri Lanka, January 2009.
- BSc Hons in Physics, University of Jaffna, Sri Lanka, March 2005.
- Certificate Course on Navigating Research Writing, Centre for Higher Education Development Continuing Education, University of Cape Town, South Africa, 4-7 November, 2014.
- Short course on High Performance Computing, 2014 HPC Winter School, Cape Town, 30 June – 5 July, 2014.
- CTHE – General Sir John Kotelawala Defence University
- Certificate Course on Medical Digital Image Processing
Research Publication
Published research papers in journals
- Current status and future prospects of radiation oncology in Sri Lanka, Vijitha Ramanathan, Jayantha Balawardane, Appu Hennedige Dilip Kumara and Sivananthan Sarasanandarajah, Physica Medica, Volume 100, 2022, 6-11, https://doi.org/10.1016/j.ejmp.2022.06.001.E
- valuation of set-up errors and set-up margin in three-dimensional conformal radiotherapy for pelvic tumours by using electronic portal imaging device, V Ramanathan, K Gunarathne, DC Sampath and MM Rizwy, KDU Journal of Multidisciplinary Studies (KJMS), Volume 4, Issue 2 November 2022, DOI: http://doi.org/10.4038/kjms.v4i2.53
- The current role of Cobalt-60 teletherapy in cancer care. V Ramanathan, KDU Journal of Multidisciplinary Studies (KJMS), Volume 3, Issue 2 November 2021, ISSN 2579-2229.
- Occupational dose measurement for radiographers during cardiac catheterization procedures; V Ramanathan, SM Almeida, KWDK Fernando (2021); International Journal of Scientific and Research Publications (IJSRP) 11(4) (ISSN: 2250-3153), DOI:http://dx.doi.org/10.29322/IJSRP.11.04.2021.p11264
- Investigating the aberration found in 4.438 MeV 12C photo peak of the Geant4 simulated Prompt gamma spectrum, V Ramanathan, S Peterson, AOCMP -SEACOMP, IOP Conf.Series: Journal of Physics: Conf. Series 1248(2019) 012041
- Measuring cross-section data for prompt gammas emitted during proton-nucleus collisions
- Vijitha Ramanathan, PhD Thesis, University of Cape Town, South Africa, 2017. Available online at http://open.uct.ac.za
- Investigating prompt gamma emission for a carbon target using AFRODITE clover detectors
- V Ramanathan, S Peterson, K Li, P Papka, E Lawrie, K Lawrie, J Kiener, S Ouichaoui, W Yahia-Cherif, A Belhout, P Jones, D Moussa, B Hinda, S Damache, A Chafa, M Debabi, K Raju, T Dinoko and D Bucher, Proceedings of SAIP 2016, South Africa, ISBN: 978-0-620-77094-1, Available online at http://events.saip.org.za
Research presentation Oral/ Posters
- Assessment of eye lens dose in interventional cardiology, HNSU Wickramasinghe, V Ramanathan and S Sarasanandarajah, General Sir John Kotelawala Defence University -15th International Research Conference, 29-30 September, 2022. [Oral presentation]
An approach to establish local diagnostic reference level (DRL) for coronary angiography procedures in Sri Lanka, SGHS Senarathna, HMKU Gunarathna, HMPM Bandara, V Ramanathan, CJ Horadigala and R Thudugala, General Sir John Kotelawala Defence University -15th International Research Conference, 29-30 September, 2022. [Oral presentation] - Assessment of setup errors in intensity modulated radiotherapy for pelvic tumours using cone beam-computed tomography, KMAM Kulathunga, GKM Madhushan, KM Samarawickrama, V Ramanathan and DA Fernando, General Sir John Kotelawala Defence University -15th International Research Conference, 29-30 September, 2022. [Oral presentation]
- Analysis of point doses to bladder and rectum in HDR brachytherapy to advanced cervical cancer at Apeksha Hospital Maharagama, IS Wickramage, VL Jayasinghe, WNACO Weerasinghe, V Ramanathan, S Rasnayake, WMIS Wickramasinghe, General Sir John Kotelawala Defence University -15th International Research Conference, 29-30 September, 2022. [Poster presentation]
- The current status of radiotherapy facilities in developing countries, V Ramanathan, 21st Asia-Oceania Congress of Medical Physics (AOCMP-2021), Dhaka, Bangladesh, 10-12 December 2021 [Oral Presentation].
- The way forward for Diagnostic Radiology Medical Physicists in Sri Lanka, V Ramanathan, WMIS Wickramasinghe 21st Asia-Oceania Congress of Medical Physics (AOCMP-2021), Dhaka, Bangladesh, 10-12 December 2021 [Poster Presentation].
- Brachytherapy in cervical cancer: Accuracy in point dose demarcation
MS Gulawita, MPOT Kumari, SL Rasnayake, KMGS Jayasuriya and V Ramanathan
General Sir John Kotelawala Defence University -14th International Research Conference, 9-10 September, 2021. [Oral presentation] - Determination of the scatter dose received by thyroid region during chest wall irradiation among breast cancer patients who received adjuvant two- dimensional conventional radiotherapy
WAIU Kumara, LPM Sawandi, WMAKB Weerakoon, V Ramanathan, N Jeyakumaran and R Tudugala, General Sir John Kotelawala Defence University -14th International Research Conference, 9-10 September, 2021. [Oral presentation] - Evaluation of setup errors in three-dimensional conformal radiotherapy (3D-CRT) for pelvic sites by using electronic portal imaging device (EPID)
KACM Gunarathne, DC Sampath, MM Rizwy and V Ramanathan
General Sir John Kotelawala Defence University -14th International Research Conference, 9-10 September, 2021. [Poster presentation] - Current status of Nuclear Medicine in Sri Lanka, V Ramanathan, International Conference on Molecular Imaging and Clinical PET-CT in the Era of Theranostics, IPET-2020, Vienna, Austria
- Measuring occupational radiation dose to the radiographers performing cardiac catheterization laboratory procedures at Sri Jayawardenepura general hospital, Sri Lanka, R Vijitha, S.M Almeida, K.W.D.K Fernando, International Conference on Radiation Safety: Improving Radiation Protection in Practice, RP 2020, IAEA, Vienna, Austria
- The current status of Medical Physics in Sri Lanka, Vijitha Ramanathan, Conference: 20th Asia-Oceania Congress on Medical Physics (AOCMP), 18th South-East Asia Congress of Medical Physics (SEACOMP), 120th Scientific Meeting of Japan Society of Medical Physics (JSMP), and 12th Annual Meeting of Thai Medical Physicist Society (TMPS), 3-5 December 2020, Phuket, Thailand
- Comparing measured and simulated prompt gamma cross-section data for carbon target using AFRODITE clover detector system, V Ramanathan, S Peterson, International Symposium on Standards, Applications and Quality Assurance in Medical Radiation Dosimetry (IDOS 2019), Vienna, Austria, from 18 to 21 June 2019 [Oral Presentation]
- Comparing Geant4 simulated and TALYS-1.8 code evaluated cross-section data for 4.438 MeV gamma ray line of 12C, V Ramanathan, 4th International Conference of Advances in Computing and Technology (ICACT 2019), Faculty of Computing and Technology, University of Kelaniya, from July 29 – 30 [Poster Presentation]
- Investigating the aberration found in 4.438 MeV 12C photo peak of the Geant4 simulated prompt gamma spectrum Vijitha Ramanathan and Steve Peterson
- 18th Asia-Oceania Congress of Medical Physics & 16th South-East Asia Congress of Medical Physics, 11-14 November, Kuala Lumpur, Malaysia (Poster presentation)
- Investigating prompt gamma production using a Geant4 model of AFRODITE detector system
- Ramanathan Vijitha and Peterson Steve, International Conference on Medical Physics in Radiation Oncology and Imaging (ICMPROI), Dhaka, Bangladesh, 10-12 March, 2018 (Oral presentation)
- Comparing measured prompt gamma emission from the AFRODITE detector system to Geant4-simulated results
- V Ramanathan and S Peterson, American Association of Physicists in Medicine (AAPM), 59th Annual meeting & Exhibition, Denver, Colorado, USA, July 30 – August 3, 2017 (ePoster presentation).
- Measurement of gamma-ray production cross sections of proton beams at energies of 80-125 MeV with a natural calcium target
- A Kunyana, E Lawrie, S Damache, A Chafa, W Yahia-Cherif, M Debabi, I Deloncle, T S Dinoko, T D Bucher, M K Raju, V Ramanathan, B Robeiro, S Ntshangase, N Kheswa, J Lawrie, J Kiener, S Ouichaoui, A Belhout, P Johns, D Moussa and H Benhabiles, South African Institute of Physics 62nd Annual Conference, University of Stellenbosch, South Africa, 3-7 July, 2017 (Oral presentation).
- Measuring prompt gamma cross-section data for carbon target using AFRODITE clover detectors
- V Ramanathan, S Peterson, K Li, P Papka, E Lawrie, K Lawrie, J Kiener, S Ouichaoui, W Yahia-Cherif, A Belhout, P Jones, D Moussa, B Hinda, S Damache, A Chafa, M Debabi, K Raju, T Dinoko and D Bucher, South African Institute of Physics 61nd Annual Conference, University of Cape Town, South Africa, 4-8 July, 2016 (Oral presentation).
- Measurements of gamma-ray production cross sections of proton beam at energies of 85-125 MeV with calcium target
- A Kunyana, E Lawrie, S Damache, A Chafa, M Debabi, W Yahia-Cherif, I Deloncle, T S Dinoko, T D Bucher, M K Raju, V Ramanathan, B Robeiro, S Ntshangase, J Lawrie, J Kiener, S Ouichaoui, A Belhout, P Johns, D Moussa and H Benhabiles, , South African Institute of Physics 61nd Annual Conference, University of Cape Town, South Africa, 4-8 July, 2016 (Oral presentation).
- Investigating prompt gamma cross-section data using a Geant4-simulated AFRODITE detector system
- V Ramanathan, K Li, S Peterson and P Papka, South African Institute of Physics 60th Annual Conference, Nelson Mandela Metropolitan University and Rhodes University, Port Elizabeth, South Africa, 28 June-3 July, 2015 (Oral presentation).
Editorial works
- Editor – Abstract book of faculty of allied health sciences, International Research conference (IRC) 2022
- Editor – Abstract book of faculty of allied health sciences, International Research conference (IRC) 2021
- Editor – Abstract book of faculty of allied health sciences, International Research conference (IRC) 2020
- Editor – Abstract book of faculty of allied health sciences, International Research conference (IRC) 2018.
Newsletters
- The American Association of Physicists in Medicine (AAPM) Newsletter November/December 2020 Vol. 45 No. 6, Dosimetry of small fields in external beam therapy: Reference and relative dose determination, South Asia Centre for medical physics and cancer research (SCMPCR) workshop report.
- South Asia Centre for Medical Physics and Cancer Research (SCMPCR) Newsletter, July 2022, Volume 4, Issue 2. Radiation oncology facilities in Sri Lanka.
- South Asia Centre for Medical Physics and Cancer Research (SCMPCR) Newsletter, July 2020, Volume 2, Issue 2. Cancer care in Sri Lanka during the COVID-19 pandemic.
Awards
- KDU research grant -2021
- Travel grant to participate International Symposium on Standards, Applications and Quality Assurance in Medical Radiation Dosimetry (IDOS 2019), July 18-21, Vienna, Austria
- ICTP travel grant to participate ICMPROI-2018 conference, Dhaka, Bangladesh.
- Science Faculty PhD Fellowship, University of Cape Town, 2014-2016.
- International Medical Health Organization (IMHO) Fellowship for Medical Physics training at Department of Radiation Oncology, Christian Medical College, Vellore, India, October 01, 2012 – November 30, 2012.
Work Experience
- Visiting Lecturer, (MSc in Medical physics- Physics of Diagnostic and Therapeutic Radiology)
(from November 2019 to present), Postgraduate Institute of Science, University of Peradeniya - Demonstrator (March, 2005- August, 2005, Department of Physics, Faculty of Science, University of Jaffna)
- Medical Physicist (2009-2013, Department of Radiotherapy, Base Hospital, Tellippalai, Jaffna)
- Radiation Protection Officer (2013, Department of Radiotherapy, Base Hospital, Tellippalai, Jaffna)
- Visiting Lecturer, Medical Physics (August 2013- December 2013, Department of Physics, Faculty of Science, University of Jaffna)
- Visiting Lecturer, Instrumental Analysis (December, 2013 – January, 2014, Unit of Allied Health Sciences, Faculty of Medicine, University of Jaffna)
- Demonstrator, Tutor, and Course tutor (2014-2017, Department of Physics, University of Cape Town, Cape Town, South Africa)
- Visiting Lecturer, Biophysics (August, 2017- October, 2017, Department of Physical Sciences, Faculty of Applied Science, Eastern University)
- Visiting Lecturer, Medical Physics & Nuclear Physics (August, 2017-September, 2017, Department of Physical Sciences, Faculty of Applied Science, South Eastern University)
- Senior Lecturer on assignment basis (October, 2017, Department of Physical Sciences, Faculty of Applied Science, South Eastern University)
- Visiting Lecturer, Advanced Nuclear Physics & Particle Physics (August, 2017-September, 2017, Department of Physical Sciences, Faculty of Applied Science, South Eastern University), May 2018 to date.
- Faculty Coordinator and Session Coordinator, International Research Conference (IRC) 2018.
Membership
Membership in academic and professional bodies
- Member of professional relations committee (2022-2025) of International Organization of medical Physics (IOMP).
- Editorial board member of South Asia Centre for Medical Physics and Cancer Research (SCMPCR) Newsletter (2022).
- Life member of the Association of Medical Physicists of India (AMPI) from 18-01-2021, Membership No: LM-2692
- Member of Panel of Teachers/Examiners of the postgraduate Institute of Science (PGIS), University of Peradeniya (Effective from 4th of December 2020 – MSc Programme in Medical physics (2020/2021))
- Member of Panel of Teachers/Examiners of the postgraduate Institute of Science (PGIS), University of Peradeniya (Effective from 20th of October 2019– MSc Programme in Medical physics (2019/2020))
- Membership in South African Institute of Physics (SAIP)
- Membership in Organization for Women in Science for the Developing World (OWSD)
Resource Person
- Invited talk – IUPESM WORLD CONGRESS on Medical Physics & Biomedical Engineering, 12-17 June 2022, Singapore (Virtual)
Title was “Current status of medical physics education and training in Sri Lanka”. - A member of panel of the reviewers at the International Conference on Multidisciplinary Approaches in Science, ICMAS 2021, Faculty of Science, University of Colombo
- A member of the panel of the reviewers at the 14th International Research Conference 2021, General Sir John Kotelawala Defence University.
- Bangladesh Medical Physics Society (BMPS) Women celebrates IDMP 2020, Inspiring motivational speech for young generations, December 01, 2020
- World Radiography Day-Scientific session, Title: Modern trends in radiotherapy, Hotel Mandarina, Colombo-03, Sri Lanka, November 08, 2019.
- A member of the panel of the reviewers at the 13th International Research Conference 2020, General Sir John Kotelawala Defence University.
- A member of the panel of the reviewers at the 12th International Research Conference 2018, General Sir John Kotelawala Defence University.
- Curriculum revision of Biochemistry module of Department of Basic Sciences, Faculty of Allied Health Sciences, General Sir John Kotelawala Defence University, 2018-2019.
- Invited talk – TASME (Technological Advances in Science, Medicine and Engineering) 2021, July 3-4, 2021, Canada (Virtual), Title is “Challenges of Radiation Therapy in Developing Countries”
- Advanced Applications in Imaging and Therapeutic MRI conducted by Department of Radiography & Radiotherapy, Faculty of Allied Health Sciences, General Sir John Kotelawala Defence University, September 11, 2018
Education Contribution
Contribution to undergraduate / postgraduate education
- Conducting lectures to undergraduate students, Department of Radiography & Radiotherapy
- Supervising honours degree projects
- Teaching Advanced Physics module to undergraduate students, Department of Social Sciences and Humanities, Faculty of Management, Social Sciences and Humanities, KDU
- Supervising MPhil and MSc projects
- Conducting lectures to postgraduate students (MSc in Medical Physics, Postgraduate Institute of Sciences, University of Peradeniya)